| Article No | E-03681 | ||
| CAS No | 1787-61-7 | ||
| HSN Code | 32049000 | ||
| Purity | - | ||
| Grade | AR | ||
| Molecular Formula | C20H12N3NaO7S | ||
| Molecular Weight | 461.38 | ||
| Shelf Life | 5 years | ||
25 gm
100 gm
| Description | Brownish black powder | ||
| Suitable as metal indicator | Passes test | ||
| Absorption maxima (pH 10) | 612 - 616 nm | ||
| Clarity of solution | Passes test | ||
| Loss on drying (at 110°C) | Max. 7.0% | ||
| Specific Absorptivity A1% 1m (λmax; 0.02g/l; buffer pH 10.0 calc. on dried substance) | Min 300 | ||